Race equality campaigner Doreen Lawrence said she wants to use her House of Lords peerage to "give a voice to ordinary people".
The mother of murdered teenager Stephen Lawrence also admitted she was "nervous" about her new role as a Labour peer.
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The 650-feet long hole emerged after a water main burst near the 14th-century Ponte Vecchio bridge.
European Commission President Jean-Claude Juncker invited the former London mayor to Brussels to get a more 'accurate view of the EU'.
Heard cited irreconcilable differences as reasons for the divorce, court records show.